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This is a proposed patch to enhance FileSystem.h to add functionality (getting and setting permission bits and mapping an unmapping files). This implementation follows the N3365 proposal regarding permission bits. This functionality is needed for my next patch which will implement llvm/include/Support/FileOutputBuffer.h which is needed by lld. -------------- next part -------------- A

On Fri, May 18, 2012 at 3:07 PM, Michael Spencer <bigcheesegs at gmail.com> wrote: > >> +  error_code ec = sys::fs::status(filePathTwine, stat); > > stat is undefined if ec isn't success. ec will be success even in the case of > file_not_found. Actually I was wrong. The Windows and UNIX implementation disagree on this point. I'm going to change it to match

...Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.6.10-grsec+gg3+e+fhs6b+nfs+gr0501+++p4+c4a+gr6b-reslog-v6.189/ (default) -m /boot/System.map-2.6.10-grsec+gg3+e+fhs6b+nfs+gr0501+++p4+c4a+gr6b-reslog-v6.189 (specified) Error (regular_file): read_ksyms stat /proc/ksyms failed ksymoops: No such file or directory No modules in ksyms, skipping objects No ksyms, skipping lsmod kernel BUG at fs/jbd/checkpoint.c:613! invalid operand: 0000 [#1] CPU: 2 EIP: 0060:[<c01f8404>] Not tainted VLI Using defaults from ksymoops -t elf3...

...ess even in the case of file_not_found. > + switch ( stat.type() ) { No space after ( and before ). Same lots of other places. > + case sys::fs::file_type::file_not_found: > + // If file does not exist, we'll create one. > + break; > + case sys::fs::file_type::regular_file: > + // If file is not currently writable, error out. > + ec = sys::fs::is_writable_file(filePathTwine, writable); > + if ( !ec && !writable ) > + return make_error_code(errc::permission_denied); > + break; > + default: > + if ( ec ) &g...

I now have an implementation of FileOutputBuffer (OutputBuffer was already taken). The patch supports the functionality listed below and I've tested that it works for lld. -------------- next part -------------- A non-text attachment was scrubbed... Name: FileOutputBuffer.patch Type: application/octet-stream Size: 25308 bytes Desc: not available URL: